SIOX receives FDA Fast Track Designation. Up 13% pm. ROIV owns 25% stake in SIOX. https://www.globenewswire.com/news-release/2021/10/21/2318287/0/en/Sio-Gene-Therapies-Announces-Granting-of-FDA-Fast-Track-Designation-for-Investigational-AXO-AAV-GM1-AAV9-GLB1-Gene-Therapy-in-Patients-with-GM1-Gangliosidosis.html